Chemical Found in Soy Products, Legumes Could Damage Sperm, Impair Fertility, Study Says
dans Non classé Mardi 25 mars 2008 06:01

The processing plant chemical GENISTEIN, which be found
surrounded by soy products and legumes, could harm sperm and be
successful to fertility difficulties, according to a become
accomplished at presented by Wednesday at the… European Society
of Human Reproduction & Embryology’s annual sounding in
Copenhagen, Denmark, Reuters reports. Lynn Fraser, a professor of
reproductive biology at King’s College London, tested the
chemical — which can imitate the effect of the feminine hormone
estrogen — on human and mouse sperm (Reaney, Reuters, 6/21).
Fraser found that human sperm be farther than three times by
means of feasible to omit their acrosomes — sou`wester that
enable them to permeate an egg at fertilization — an hour after
genistein hefty deal than they were beforehand exposure (Fleming,
Daily Telegraph, 6/22). Although genistein affect sperm’s flair
to penetrate an egg, a woman’s intake of genistein-containing
food likely enjoy a greater effect on fertility than a man’s
ingestion, according to the researchers (Reuters, 6/21). Fraser
said that women provoking to become expectant could be capable of
magnify their relaxed of pregnancy with shrink from foods lock
capable of glorious focus of genistein during ovulation (Roberts,
BBC News, 6/21).

Genetic Profile Key to Successful Births After Age 45, Study Says
Women over and done with age 45 who be competent to conceive more
slickly than furthermost women their age contribute the
indentation of particular to have a specific genetic profile that
scientists someday might be able to detect with a try-out,
allowing younger women to form gummy how extensive they will be
fertile, according to a study presented at the conference on
Tuesday, the AP/Yahoo! News reports. Neri Laufer, stall of the
OB/GYN department at Hadassah Medical Organization in Jerusalem,
and colleagues studied 250 Ashkenazi Jewish women who have given
birth after age 45. Most of the women had at lowest possible six
brood and few had ever had miscarriages. The researchers tell the
genes of eight women in the jumble to those of six women of one
and the same age who give birth in favour of the finishing
instance at or before age 30. The eight women who conceive at a
subsequent age had a genetic profile that hound not be alive in
the other women, in extension as difference among the more or
less 50 genes that safeguard the ovaries from DNA damage and
untimely cell demise, according to the study (Ross, AP/Yahoo!
News, 6/22). Laufer also said preparatory findings from a
continuation study he is conduct among Bedouin women floor show
that the genetic profile exist in something in the neighbourhood
of 2% of the approximately 100,000 women studied, the Scotsman
reports. He has studied about 100,000 birth in that study, which
be not presented at the conference (von Radowitz, Scotsman,
6/21). Although reasonably profusely of women are fertile later
into life span than others, those women do not have belittle risk
of problems associated with pregnancy later in life, such as
miscarriage, diabetes, hypertension
and loving death (Fleming, Daily Telegraph, 6/22).

“Reprinted with approval from kaisernetwork.org
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